Notification and monitoring
Article 121
1. National regulatory authorities shall notify to the Commission by 21 December 2020, and immediately following any change thereafter, the names of undertakings designated as having universal service obligations under Article 85(2), Article 86 or 87. 2. National regulatory authorities shall notify to the Commission the names of undertakings designated as having significant market power for the purposes of this Directive, and the obligations imposed upon them under this Directive. Any changes affecting the obligations imposed upon undertakings or of the undertakings affected under this Directive shall be notified to the Commission without delay.